BibFormats

Proj:  Projection

Record Type

BIB

Bytes

MAP: 008/22-23; 006/05-06

Input Standards

MAP: Optional. Two-character code. Default: blank character blank character

Definition

 
MAP, 006

If a map specifies a type of projection, enter the two-character code in Proj and the projection statement in field 255 subfield ǂb. If a map does not specify a projection, leave Proj coded blank.

Codes

 
 
blank characterblank character

Project not specified. No projection is specified on the item. Use for most globes.

fill characterfill character

No attempt to code

 

Azimuthal

 

aa

Aitoff

ab

Gnomic

ac

Lambert's azimuthal equal area

ad

Orthographic

ae

Azimuthal equidistant

af

Stereographic

ag

General vertical near-sided

am

Modified stereographic for Alaska

an

Chamberlin trimetric

ap

Polar stereographic

au

Azimuthal, specific type unknown. Only the projection type (azimuthal) is known, not the specific projection.

az

Azimuthal, other. None of the other codes for azimuthal projections is appropriate.

 

Cylindrical

 

ba

Gall

bb

Goode's homolographic

bc

Lambert's cylindrical equal area

bd

Mercator

be

Miller

bf

Mollweide

bg

Sinusoidal

bh

Transverse Mercator

bi

Gauss-Kruger

bj

Equirectangular

bk

Krovak

bl

Cassini-Soldner

bo

Oblique Mercator

br

Robinson

bs

Space oblique Mercator

bu

Cylindrical, specific type unknown. Only the projection type (cylindrical) is known, not the specific projection.

bz

Cylindrical, other. None of the other codes for cylindrical projections is appropriate.

 

Conic

 

ca

Alber's equal area

cb

Bonne

cc

Lambert's conformal conic

ce

Equidistant conic

cp

Polyconic

cu

Conic, specific type unknown. Only the projection type (conic) is known, not the specific projection.

cz

Conic, other. None of the other codes for conic projections is appropriate.

 

Other projections

 

da

Armadillo

db

Butterfly

dc

Eckert

dd

Goode's homolosine

de

Miller's bipolar oblique conformal conic

df

Van Der Grinten

dg

Dymaxion

dh

Cordiform

dl

Lambert conformal

zz

Other. None of the other codes is appropriate.

 

Azimuthal

Proj     ac
255     Scale 1:10,000,000 ; ǂb Lambert azimuthal equal area projection ǂc (W 85°--W 20°/N 15°--S 60°)
Proj     ae
255     Scale 1:8,721,000. 1 cm = 87 km. 1 in = 138 miles ; ǂb Azimuthal equidistant projection ǂc (W 180°--E 180°/N 90°--N 60°)

Cylindrical

Proj     bc
255     Scale 1:900,000 ; ǂb Lambert's cylindrical equal area projection
Proj     bh
255     Scale 1:24,000 ; ǂb transverse Mercator projection ǂc (W 117°00ʹ00ʺ--W 111°00ʹ00ʺ/N 49°00ʹ00ʺ--N 42°00ʹ00ʺ)

Conic

Proj     cc
255     Scale 1:2,250,000 ; ǂb Lambert's conformal conic projection ǂc (W 63°--W 54°/S 19°15ʹ--S 27°30ʹ)
Proj     cp
255     Scale 1:126,720 ; ǂb Polyconic projection ǂc (W 90°53ʹ00ʺ--W 90°15ʹ10ʺ/N 37°15ʹ00ʺ--N 36°42ʹ00ʺ)

Other projections

Proj     dd
255     Scale approximately 1:28,000,000 ; ǂb Goode's homolosine equal area projection
Proj     df
255     Scale 1:40,053,000 ; ǂb Van der Grinten projection

Indexing

This fixed field element is not indexed.

MARC 21

For more information, including content designator history, see MARC 21 Format for Bibliographic Data, 008/22-23 (Maps).